Virtual signatures of dark sectors in Higgs couplings

  title={Virtual signatures of dark sectors in Higgs couplings},
  author={Alexander Voigt and Susanne Westhoff},
  journal={Journal of High Energy Physics},
  • Alexander Voigt, Susanne Westhoff
  • Published 2017
  • Physics
  • A bstractWhere collider searches for resonant invisible particles lose steam, dark sectors might leave their trace as virtual effects in precision observables. Here we explore this option in the framework of Higgs portal models, where a sector of dark fermions interacts with the standard model through a strong renormalizable coupling to the Higgs boson. We show that precise measurements of Higgs-gauge and triple Higgs interactions can probe dark fermions up to the TeV scale through virtual… CONTINUE READING

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